Training Athletes To Be As Mentally Strong
As They Are Physically
Guiding athletes to build the mindset and daily actions that fuel high performance—so they can reach their potential and thrive under pressure.
In-Person (San Diego) or Virtual Sessions Available Worldwide
Welcome to Quantum Performance!
At Quantum Performance, we specialize in unlocking human potential. From youth and elite athletes to first responders, military personnel, and organizations, we deliver world-class mental performance and mindset training that builds resilience, sharpens focus, and elevates performance—when it matters most.
With over 15 years of experience supporting hundreds of high performers, we know what it takes to enhance cognitive skills, strengthen mental resilience, and train your mind to stay confident and in control—even in the most demanding situations.
Our CEO, Kate Allgood, draws on over 36 years in sports and high performance—first as an acclaimed elite athlete, and now as a trusted guide in mental performance. Her proven methods have helped clients consistently perform at their best, on and off the field.
Every individual and organization is unique. That’s why our approach is personal, adaptable, and results-focused—tailored to your needs and goals. We foster a supportive environment where you can explore your potential, push your limits, and perform with confidence when it matters most.
Who We Serve
Professional (NHL, AHL, NFL, MLB, Supercross, Motocross, Golf, Skateboarding, etc.), Olympic, college and high school athletes, individuals in the military, weekend warriors, high-performance training facilities, high performers in business, professional teams in and outside San Diego.
How We Help
Increase confidence, maximizing potential, energy management, self-awareness, mindset, purpose, attitude, focus, adaptability, performance routines, resiliency, develop optimal performance habits, life after sports, recovery from injuries, etc.
Proud Provider Of Services For Past & Current Clients In:
NHL, NFL, MLB, PGA, LPGA, AHL, NCAA, SuperCross, Motocross, UFC, US Navy, Marine Corps, SDPD, WSL, Olympics
"Kate helped me propel my hockey career to a new level...I owe a great debt to Kate for my career, and I am still using what she taught me even now in my life after playing."
- Kevin Boyle, Retired Professional Hockey Player
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Meet Kate
Former mental performance coach for the AHL San Diego Gulls, working with the top prospects in the NHL Anaheim Ducks organization.
Kate Allgood has worked with a diverse range of clients, from professional athletes to elite military personnel. An Amazon bestselling author of Get Into the Zone and two other books on mental performance, Kate takes a holistic approach that blends science-backed methods with tailored strategies—helping individuals strengthen their mindset, sustain focus, and perform at their best when it matters most.
A former college, professional, and Olympic hopeful hockey player, Kate understands the mindset and challenges high performers face—both in competition and in life. With over 15 years of experience and dual Master’s degrees in General and Sport Psychology, she is a trusted leader in the field of mental performance, featured in numerous media outlets and sought after for her inspiring coaching, courses, and presentations.
Kate Allgood
CEO & Mental Performance Coach
HOW WE WORK
Our services and The Athlete Within® programs blend the art and science of mental performance and mindset training. We help you build a strong foundation of mental skills, then go beyond—developing presence, value-driven actions, and a sense of purpose that fuels both performance and life.
Why Train Your Mind?
Most athletes train their body and their craft—but neglect their mind. Without mental training, you’re only tapping into a fraction of your true potential.
LIVE IN THE PRESENT
Block out the noise—both internal and external—and tap into the awareness and presence that fuel high performance.
BE TRUE TO YOU
Align your thoughts, words, and actions. Live with purpose, meaning, and authenticity in everything you do.
BE COURAGEOUS
Lean into discomfort. Embrace uncertainty, risk, and vulnerability—the path to growth and greatness.
RESPOND VS. REACT
Find stillness in the space between stimulus and response. In that space lies your potential and the power to choose.